Columns

Packed columns are often used in processes that require high throughput, where low pressure drop and high separation efficiency are needed in a compact design, such as:

• Gas purification and absorption.
• Water treatment and air dehumidification.
• Distillation of solvents and alcohols.

Tower columns are particularly well-suited for applications requiring high separation efficiency, such as:

• Distillation of aromatics or alcohols.
• Absorption of gases in liquids.
• Rectification in petrochemical processes.

Selecting the right type of column depends on several factors:

• Separation efficiency: Bottom columns generally offer very high separation efficiency, while packed columns are preferred for high gas flow rates and low pressure drops.
• Space requirements: Packed columns require less space because they offer a larger surface area and require a shorter column height.
• Operating conditions: When high flow rates and low pressures prevail, random-bed columns or packed columns are often the better choice.
• Costs and Maintenance: Packed columns are generally more cost-effective and require less maintenance than trayed columns, as they have no moving parts.

Packed columns offer several advantages over trayed columns:

• Lower pressure drop: Due to their open structure, packed columns have a lower pressure drop and are therefore better suited for applications with high gas flow rates or low pressures.
• Improved separation performance at low flow rates: Packing columns provide a larger surface area for phase separation, making them ideal for applications with low flow rates.
• Increased capacity: Packed columns can process a larger volume of liquid or gas per unit volume and offer higher capacity compared to open-bottom columns.

The main advantages of packed columns are:

• Higher throughput capacity compared to bottom-fed columns of the same height.
• Less maintenance: You don’t need moving parts such as bottoms, which reduces maintenance costs.
• Better suited for low pressures and high flow rates, as they offer lower pressure loss.
• Cost-effective to manufacture and operate, as they are more efficient and require less material.

Packed columns are generally preferred when:

• High separation efficiency is required with minimal space requirements.
• Operating conditions such as high flow rates or low pressures, under which a lower pressure drop rate is advantageous.
• Cost-effectiveness and a large surface area for phase separation are required, without the space demands of a bottom-fed column.
• Processes such as absorption, distillation, and air dehumidification take place where packing provides an effective solution.

The main advantages of bottom-fed columns are:

• High separation efficiency: The large number of contact stages on the bottoms enables effective phase separation.
• Flexibility: They can be adapted to various process requirements, particularly under varying flow conditions.
• Easy scalability: They are well-suited for scaling up from the laboratory to the production scale.

· Bottom columns

· Packed-bed columns

· Packing columns

Yes, through our local partners, we are able to seamlessly integrate even specialized components that fall outside our own manufacturing capabilities into your projects. This enables us to offer you customized solutions that are precisely tailored to your specific requirements.

We offer various options for surface treatment and corrosion protection, depending on the project’s requirements. These include coatings, galvanizing, and special protective coatings for use in aggressive environments. These protective measures ensure the vessel’s long service life and operational safety.

We source piping and flanges flexibly, based on customer requirements and delivery schedules. We work with reliable suppliers and ensure that all components meet the required quality standards.

Yes, we offer customized solutions for various industrial applications, particularly for critical sectors of the chemical and energy industries. We take all technical requirements into account and provide comprehensive solutions ranging from design to testing procedures and documentation.

We are certified according to international standards to ensure the highest quality and safety:

• DIN ISO 9001 (Quality Management)
• PED 2014/68/EU (Pressure Equipment Directive)
• EN 13445 (Pressure vessel construction)
• AD 2000 (German standard for pressure vessels)
• ASME U1, U2, and S stamps (for pressure vessel construction according to U.S. standards / pressure vessels and piping)
• EN 1090-1/-2 (Construction of load-bearing steel structures)
• DIN EN ISO 3834 (Welding Technology)

Yes, we offer customized material solutions for critical applications, especially in the chemical and energy industries. We select the most suitable material based on your requirements, taking into account factors such as pressure, temperature, corrosion resistance and mechanical properties.